Kurogane Railway, in Kitakyushu-city
Dedicated Railway for Yawata Steel Works. The railway connected between Yawata and
Tobata, construction work took three years, and completed in 1930. The most difficult
and hard work was making Miyatayama tunnel with a total length of 1180 m due to suffering
from floods. The gates of the Miyatayama tunnel are decorated with stately designs.